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Proustite & Xanthoconite

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BCK690586

Proustite & Xanthoconite

David Burgess Collection
Rare Mineral

Description Tabs

Description
Locality: 
Keeley-Frontier Mine, South Lorrain Township, Timiskaming District, Ontario, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.3 × 1.4 cm
Description

You are bidding on a small sample with really beautiful bright red prisms of proustite on matrix with abundant orange clusters of xanthoconite crystals. Really aesthetic little specimen from the David Burgess collection. The Keeley Mine is where Burgessite was discovered which was named in his honor. 

Happy Holidays from Bucket Of Holes!

Mineral Data
What's on the rock

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5

Xanthoconite

Formula: 
Ag3AsS3
Strunz: 
2.GA.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

Seller Information

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